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xvi
82801AA and 82801AB
Datasheet
10.2
USB I/O Registers ......................................................................................10-8
10.2.1 USBCMD—USB Command Register ............................................10-8
10.2.2 USBSTA—USB Status Register..................................................10-11
10.2.3 USBINTR—Interrupt Enable Register..........................................10-12
10.2.4 FRNUM—Frame Number Register..............................................10-12
10.2.5 FRBASEADD—Frame List Base Address...................................10-13
10.2.6 SOFMOD—Start of Frame Modify Register.................................10-13
10.2.7 PORTSC[0,1]—Port Status and Control Register........................10-14
11
SMBus Controller Registers (D31:F3).....................................................................11-1
11.1
PCI Configuration Registers (SMBUS—D31:F3)........................................11-1
11.1.1 VID—Vendor Identification Register (SMBUS—D31:F3)...............11-2
11.1.2 DID—Device Identification Register (SMBUS—D31:F3)...............11-2
11.1.3 CMD—Command Register (SMBUS—D31:F3).............................11-2
11.1.4 STA—Device Status Register (SMBUS—D31:F3)........................11-3
11.1.5 RID—Revision ID Register (SMBUS—D31:F3).............................11-3
11.1.6 PI—Programming Interface (SMBUS—D31:F3)............................11-3
11.1.7 SCC—Sub Class Code Register (SMBUS—D31:F3)....................11-4
11.1.8 BCC—Base Class Code Register (SMBUS—D31:F3)..................11-4
11.1.9 HEADTYP—Header Type Register (SMBUS—D31:F3)................11-4
11.1.10 SMB_BASE—SMBus Base Address Register
(SMBUS—D31:F3) ........................................................................11-4
11.1.11 SVID—Subsystem Vendor ID Register (SMBUS—D31:F3)..........11-5
11.1.12 SID—Subsystem ID Register (SMBUS—D31:F3).........................11-5
11.1.13 INTR_LN—Interrupt Line Register (SMBUS—D31:F3).................11-5
11.1.14 INTR_PN—Interrupt Pin Register (SMBUS—D31:F3) ..................11-5
11.1.15 HOSTC—Host Configuration Register (SMBUS—D31:F3)...........11-6
11.2
SMBus I/O Registers ..................................................................................11-6
11.2.1 HST_STA—Host Status Register..................................................11-7
11.2.2 HST_CNT—Host Control Register ................................................11-8
11.2.3 HST_CMD—Host Command Register...........................................11-9
11.2.4 XMIT_SLVA—Transmit Slave Address Register...........................11-9
11.2.5 D0—Data 0 Register......................................................................11-9
11.2.6 D1—Data 1 Register......................................................................11-9
11.2.7 BLOCK_DB—Block Data Byte Register......................................11-10
12
AC’97 Audio Controller Registers (D31:F5).............................................................12-1
12.1
AC’97 Audio PCI Configuration Space (D31:F5)........................................12-1
12.1.1 VID—Vendor Identification Register (Audio—D31:F5)..................12-2
12.1.2 DID—Device Identification Register (Audio—D31:F5)...................12-2
12.1.3 PCICMD—PCI Command Register (Audio—D31:F5)...................12-2
12.1.4 PCISTA—PCI Device Status Register (Audio—D31:F5)...............12-3
12.1.5 RID—Revision Identification Register (Audio—D31:F5)................12-3
12.1.6 PI—Programming Interface Register (Audio—D31:F5).................12-3
12.1.7 SCC—Sub Class Code Register (Audio—D31:F5) .......................12-4
12.1.8 BCC—Base Class Code Register (Audio—D31:F5)......................12-4
12.1.9 HEADTYP—Header Type Register (Audio—D31:F5)...................12-4
12.1.10 NAMBAR—Native Audio Mixer Base Address Register
(Audio—D31:F5)............................................................................12-5
12.1.11 NABMBAR—Native Audio Bus Mastering Base Address
Register (Audio—D31:F5)..............................................................12-5
12.1.12 SVID—Subsystem Vendor ID Register (Audio—D31:F5)..............12-6